Guangrui Li

Mountain View, CA

Bib: 18816 M 29

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 26%
Gender (Male)
#0 / 3977
Top 35%
Division (M25-29)
#0 / 899
Top 40%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
8:45/mi
15:51
→ flat
12 ft elev
5.34M
9:01/mi
47:41
8074
19 ft elev
6.15M
10:11/mi
55:56
1262.8%
149 ft elev
10.54M
9:20/mi
1:36:54
2303610.6%
20 ft elev
11.05M
12:43/mi
1:43:23
1726.4%
213 ft elev
Finish· 13.11 mi
9:33/mi
2:03:03
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time55:56
Pace9:06 /mi
2nd Half
Distance6.96 mi
Time1:07:07
Pace9:39 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:02:5915:518:4515:51
8:45
-
5.34M
5.34 mi07:34:4947:418:5631:50
9:01
+0:16
6.15M
6.15 mi07:43:0455:569:068:15
10:11
+1:10
10.54M
10.54 mi08:24:021:36:549:1240:58
9:20
-0:51
11.05M
11.05 mi08:30:311:43:239:216:29
12:43
+3:23
Finish
13.11 mi08:50:112:03:039:2319:40
9:33
-3:10

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:45 /mi

Average Pace

9:23 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:51

13% of race

Time at Steady Pace

1:40:43

82% of race

Time at Slower Pace

6:29

5% of race

Average Pace: 9:23 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81M
1.81 mi07:02:5915:518:4515:51
8:45
#1549
5.34M
5.34 mi07:34:4947:418:5631:50
9:01
#1751
6.15M
6.15 mi07:43:0455:569:068:15
10:11
#1894
10.54M
10.54 mi08:24:021:36:549:1240:58
9:20
#1891
11.05M
11.05 mi08:30:311:43:239:216:29
12:43
#1897
Finish
13.11 mi08:50:112:03:039:2319:40
9:33
#1863
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi154911923061549(Top 22%)1192(Top 30%)306(Top 34%)
5.34M5.34 mi3.53 mi1751-2021338-146339-331864(Top 26%)1411(Top 35%)358(Top 40%)
6.15M6.15 mi0.81 mi1894-1431431-93360-212940(Top 41%)2034(Top 51%)507(Top 56%)
10.54M10.54 mi4.39 mi1891+31422+9363-31984(Top 28%)1489(Top 37%)386(Top 43%)
11.05M11.05 mi0.51 mi1897-61423-1365-22223(Top 31%)1589(Top 40%)433(Top 48%)
Finish13.11 mi2.06 mi1863+341399+24363+21886(Top 27%)1384(Top 35%)356(Top 40%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 22%
~flat
+4ft-3ft

Overall

1549

Males

1192

M25-29

307

1.81M→5.34M

1.8 - 5.3 mi

Top 26%
×4story building
+80ft-74ft

Overall

1864

Males

1411

M25-29

359

5.34M→6.15M

5.3 - 6.2 mi

Top 41%
×10story building
+126ft-4ft

Overall

2940

Males

2034

M25-29

508

6.15M→10.54M

6.2 - 10.5 mi

Top 28%
×21story building
+230ft-361ft

Overall

1984

Males

1489

M25-29

387

10.54M→11.05M

10.5 - 11.1 mi

Top 31%
×14story building
+172ft-0ft

Overall

2223

Males

1589

M25-29

434

11.05M→Finish

11.1 - 13.1 mi

Top 27%
×7story building
+97ft-114ft

Overall

1886

Males

1384

M25-29

356

Passing Analysis

Category:
Athletes Passed
327*
Passed By
641
Net Change
-314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1549
1.81M5.34M85287-202#1549#1751
5.34M6.15M10153-143#1751#1894
6.15M10.54M124*121+3#1894#1891
10.54M11.05M3238-6#1891#1897
11.05MFinish76*42+34#1897#1863
TOTALS327*641-314

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events